Absorbent disposable pad



Aug- 6, 1935. w. T. LANE 2,010,433

ABSORBENT DISPOSABLE PAD Filed Sept. 18, 1933 U '7" .1 [:1 q 99 a q E al 14 r 1 a i i z i\\20 20 1: i 3* \0 2 Patented Aug. 6, 1 935 V Q UNITEDSTATES PATENT OFFICE ABSOBBENT DISPOSABLE PAD William T. Lane, Belmont,Mass., minor to Lane Manufacturing Company, Inc., Water-town, Mass.

Application September 18, 1933, Serial No. 689,833 1 Claim. (01.128-284) This invention relates to improvements in distion of the sheetl2. The ends of the cut length posable, absorbent pads and methods ofmaking of material are stitched to hold the cellulosic pad the same. Theinvention is illustrated herein as in place within the pocket formed bythe sheet applied to a diaper for infants. l0. At the same time that theends of the pad 5 An object of the present invention is to proarestitched a tape I8 is secured to the ends of 5 vide an absorbent padwhich is convenient to the pad in a manner which will hereinafter be useand which maybe readily disposed of upon more fully described. being wetor soiled. As illustrated, the absorbent Although other materials couldbe used to form pad is in the form of a diaper, having an absorban outeror protective layer for the cellulosic pad 1 ent layer of cellulosicmaterial covered by a l2 it has been found preferable both from case 10sheet of paper or other relatively thin, strong of manufacture and lowcost to use paper havfabric; The three layers of material are held ingcertain desirable characteristics. Such a together at each end by linesof stitching which paper must be smooth, sterilized, must have subalsopass through pieces of tape which are stantial strength when wet, andmust not chafe utilized to secure the diaper to an infant. Alorotherwise injure the body of thewearer. 5 though the invention isdisclosed herein as pro- The tapes l8 are secured to the ends of the padvided with a paper covering for a cellulosic maby lines of stitches 20.It is to be understood that terial, it is to be understood that othermaterials, these lines of stitches do not go from edge to such, forexample, as surgical gauze, may be used. edge but begin at a pointapproximately an inch The invention in another aspect resides in an fromthe edge of the pad and terminate about an 20 improved method ofmanufacturing absorbent, inch from the other edge of the pad. This isdone disposable pads. As disclosed herein the method for the purpose ofproviding for adjustment. comprises folding a sheet of paper or otherfab- For example, if the pad is too large for the infant ric over alayer or pad of cellulosic material, the ends of the diaper may beoverlapped, thus 5 glueing the overlapped portions of the sheet,decreasing the effective width of the pad by as severing a length ofmaterial from the composite much as two inches. pad, and closing theends of the pad by stitches In use the pad or diaper is folded mid-wayof which also extend through strips of material its length and thisportion is placed between the which in the finished garment are utilizedto hold legs of the infant and the two portions are then the garment inplace on the wearer. folded upwardly and the tapes it are tied sub- 30The novel features of the invention will now stantially at the waist ofthe infant. be more particularly described with reference to In themanufacture of a diaper or other absorbthe accompanying drawing whichshows a preent pad the cellulosic material is fed from a roll ferredembodiment of the invention and therelocated above a roll carrying thepaper Hi. The

after pointed out in the claims. paper I0 is then progressively foldedabout the 35 In the drawing, pad of cellulosic material l2 as thecellulosic ma- Fig. 1 is a plan view of a preferred emboditerial is fedforwardly, for example, by means of ment of the invention, feed rolls.As the paper is being folded glue or Fig. 2 is a cross-sectional viewtaken along the other suitable adhesive I5 is applied to one edge 40line IIII of Fig. 1, and of the sheet, and this glued portion is passedbe- 40 Fig. 3 is a cross-sectional view taken along the neath a pressingmember, for example press rolls, line III-III of Fig. 1. to cause theglued portion of. the paper It to According to the present invention asheet of adhere to the subjacent or underlying portion of paper It isfolded about an absorbent pad l2 the paper I0. Inthis manner thecellulosic mateformed of alpha cellulose or any other suitable rial I2is enclosed in along, continuous pocket of 46 absorbent cellulosicsubstance. Preferably a paper. long strip of cellulosic material iscovered by a From this long continuous'compositepadis cut, strip ofpaper of substantially the same length in suitable lengths, pads whichare then ready as the cellulosic strip and pads of suitable length forthe stitching operation. The pads may be cut 50 are cut from thecontinuous strip. It is to be automatically by the machine which is usedto 5 understood that the overlapping portion ll of the fold the paperIII about the cellulosic material l2, sheet of paper II! overlaps thesubjacent portion or it may be cut manually. The cut lengths of of thesheet. This overlapping portion I4 is composite materialarethenpassedtoastitching coated with glue or other suitable adhesiveand machine which is provided with a tape guide in pressed against thesubjacent or underlying pororder that the tapes I! may be secured to thepad 5 at the same time that the ends of the pad are e closed by the lineor! stitches 20. In this manner It is to be understood that thematerials used in the construction 01' the diaper and the steps used inthe manufacture oi the same are merely for the purposes of illustrationand are not to be taken as limiting applicant's invention. Othermaterials and/or other steps or sequence of steps could be utilizedwithout departing from the spirit of the present invention.

Having thus described by invention, what I desire to claim as new andsecure by Letters Patent oi the United States is:

A disposable absorbent diaper, comprising a pad of absorbent disposablematerial, a sheet of. paper folded about said pad with the oppositelongitudinal edges of said sheet overlapping, tapes secured to theopposite ends of said pad for reinforcing said pad and said sheet alongthe pointsof greatest strain, and a single line of stitches for securingeach tape to the end of the pad, said line of stitches being effectivealso to close each end oi. the pocket formed by folding said sheet aboutsaid pad.

- WILLIAM T. LANE.

